Joe Machs Lake Dam
High HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| State | Missouri |
| County | St. Louis |
| Coordinates | 38.56429, -90.71374 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 56 ft |
| Dam Height | 56 ft |
| Dam Length | 460 ft |
| Year Completed | 1996 (30 years old) |
Storage & Hydraulics
| NID Storage | 1,290 acre-ft |
| Max Storage | 1,290 acre-ft |
| Normal Storage | 377 acre-ft |
| Surface Area | 22 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 955 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 04/05/2022 |
| Emergency Action Plan | Yes |